Isidorus Brennsohn

Isidorus Brennsohn (15 September 1854 – 31 December 1928) was a medical doctor and biographer, active mainly in pre-WWII Latvia.

Isidorus Brennsohn was born in a Jewish family in Jelgava, where he also spent most of his early life.

For some years, he was a provincial doctor in Subate in southern Latvia, before moving back to his hometown of Jelgava where he had his practice from 1885 to 1907.

[1] Isidorus Brennsohn was also a historian of medicine and wrote the earliest biographical dictionary in the present-day Baltic states, Biographien baltischer Aerzte.

Published in three volumes from 1902, it contains biographical information about doctors and physicians working in the present-day Baltic states, as well as essays on the historical development of medicine in the Baltic area.